It's the season of the witch on TV

CaptionMary Sibley

Michele K. Short / WGN America

Mary Sibley, "Salem" (premiering April 20 on WGN America) Played by Janet Montgomery Mary Sibley is Salem's most powerful witch in the upcoming series that retells the infamous witch trials in 17th century Massachusetts.

Mary Sibley, "Salem" (premiering April 20 on WGN America) Played by Janet Montgomery Mary Sibley is Salem's most powerful witch in the upcoming series that retells the infamous witch trials in 17th century Massachusetts. (Michele K. Short / WGN America)

Fiona Goode, "American Horror Story: Coven" Played by Jessica Lange Fiona is descended from the Salem witches, who actually escaped the burnings back in the day. Called the Supreme because she is the most powerful witch of her generation, she goes to New Orleans to prepare her daughter and a coven of novice witches for a coming battle.

Fiona Goode, "American Horror Story: Coven" Played by Jessica Lange Fiona is descended from the Salem witches, who actually escaped the burnings back in the day. Called the Supreme because she is the most powerful witch of her generation, she goes to New Orleans to prepare her daughter and a coven of novice witches for a coming battle. (FX)

Vampires may be the undead and zombies relentless, but this fall witches are once again casting a spell on TV. Sisters of the supernatural are the focus of two series, and they play a big part in three other new shows. Add that to the spellcasters in several returning series and you've got a heady potion that's changing the balance of supernatural beings haunting TV. Here's a graphical look at the phenomenon.